The table below looks at the statistics for Log4j skills in IT jobs advertised across the UK. Included is a guide to the average salaries offered in IT jobs that have cited Log4j over the 3 months to 5 February 2016 with a comparison to the same period in the previous 2 years.

Location
3 months to
5 Feb 2016
Same period 2015 Same period 2014
Apache Log4j
Rank 941 908 -
Rank change year-on-year
-33 -
Permanent jobs citing Log4j 10 33 0
As % of all permanent IT jobs located in the UK 0.010% 0.032% -
As % of the Development Applications category 0.055% 0.19% -
Number of salaries quoted 7 28 0
Average salary £45,000 £48,750 -
Average salary % change year-on-year
-7.69% -
UK excluding London average salary £60,000 £42,500 -
% change year-on-year
+41.17% -

The following table is for comparison with the above and provides statistics for the entire Development Applications category in permanent jobs advertised across the UK.

Development Applications Category
UK
Permanent IT job ads with a match in the
Development Applications category
18161 16965 16576
As % of all permanent IT jobs located in the UK 17.89% 16.23% 16.09%
Number of salaries quoted 15618 14382 13600
Average salary £47,500 £45,000 £45,000
Average salary % change year-on-year
+5.55% -
90% offered a salary of more than £32,500 £32,500 £30,000
10% offered a salary of more than £67,500 £65,000 £65,000
UK excluding London average salary £42,500 £40,000 £40,000
% change year-on-year
+6.25% -

Log4j
Jobs Demand Trend

This chart provides the 3-month moving total of permanent IT jobs citing Log4j within the UK as a proportion of the total demand within the Development Applications category.

Log4j Jobs Demand Trend in the UK

Log4j
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Log4j within the UK.

Log4j Salary Trend in the UK

Log4j
Salary Histogram

This chart provides a salary histogram for IT jobs citing Log4j over the 3 months to 5 February 2016 within the UK.

Log4j Salary Histogram in the UK

Log4j
Top 11 Job Locations

The table below looks at the demand and provides a guide to the average salaries quoted in IT jobs citing Log4j within the UK over the 3 months to 5 February 2016. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Use links below to see detailed
statistics and historical trends)
Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Average Salary
Last 3 Months
Average Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England -11 10 £45,000 -7.69% 1
South East -4 4 £60,000 +9.09%
London -17 4 £37,500 -34.78% 1
Southampton - 4 £60,000 -
Hampshire - 4 £60,000 -
Watford +5 1 - -
East of England -1 1 - -
Hertfordshire -6 1 - -
West Midlands - 1 - -
Rugby - 1 - -
Warwickshire - 1 - -

Log4j
Top 30 Related IT Skills

For the 6 months to 5 February 2016, IT jobs within the UK citing Log4j also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of IT job ads sampled that cited Log4j.

1 30 (100.00%) Java
2 20 (66.67%) J2EE
3 19 (63.33%) Servlets
4 18 (60.00%) XML
5 17 (56.67%) JavaScript
6 16 (53.33%) Ant
6 16 (53.33%) JSP
7 15 (50.00%) Web Services
8 13 (43.33%) Tomcat
8 13 (43.33%) E-Commerce
8 13 (43.33%) XSLT
8 13 (43.33%) Unix
9 12 (40.00%) JBoss
9 12 (40.00%) WebLogic
9 12 (40.00%) JDBC
9 12 (40.00%) WebSphere
9 12 (40.00%) Degree
9 12 (40.00%) Selenium
10 11 (36.67%) Open Source
10 11 (36.67%) Agile Software Development
10 11 (36.67%) JMS
10 11 (36.67%) Analytics
11 10 (33.33%) Selenium IDE
11 10 (33.33%) Red Hat
11 10 (33.33%) Windows
11 10 (33.33%) SUSE
11 10 (33.33%) ATG
11 10 (33.33%) QA
12 9 (30.00%) Software Testing
12 9 (30.00%) Test Scripting

Log4j
Top Related IT Skills by Category

For the 6 months to 5 February 2016, IT jobs within the UK citing Log4j also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of IT job ads sampled that cited Log4j. Up to 20 skills are shown per category.

Application Platforms
1 13 (43.33%) Tomcat
2 12 (40.00%) JBoss
2 12 (40.00%) WebLogic
2 12 (40.00%) WebSphere
3 6 (20.00%) Adobe Experience Manager
3 6 (20.00%) ATG Dynamo
4 5 (16.67%) Apache
5 2 (6.67%) CMS
5 2 (6.67%) MQSeries
5 2 (6.67%) SharePoint
6 1 (3.33%) WebSphere Application Server
Applications
1 2 (6.67%) MS Excel
1 2 (6.67%) MS Office
1 2 (6.67%) MS PowerPoint
1 2 (6.67%) MS Visio
Cloud Services
1 1 (3.33%) Amazon AWS
1 1 (3.33%) Amazon EC2
1 1 (3.33%) AWS Elastic Beanstalk
Communications & Networking
1 4 (13.33%) SMTP
2 2 (6.67%) Internet
2 2 (6.67%) LDAP
3 1 (3.33%) HTTP
Database & Business Intelligence
1 7 (23.33%) Relational Database
2 6 (20.00%) RDBMS
3 5 (16.67%) Jackrabbit
3 5 (16.67%) MySQL
4 4 (13.33%) SQL Server
5 1 (3.33%) DB2
5 1 (3.33%) InterSystems Cache
5 1 (3.33%) NoSQL
5 1 (3.33%) Oracle Database
Development Applications
1 16 (53.33%) Ant
2 12 (40.00%) Selenium
3 10 (33.33%) Selenium IDE
4 9 (30.00%) JUnit
5 5 (16.67%) Eclipse
5 5 (16.67%) Subversion
6 4 (13.33%) Maven
7 3 (10.00%) Git (software)
7 3 (10.00%) Mockito
8 2 (6.67%) Apache Ivy
8 2 (6.67%) ClearCase
8 2 (6.67%) Gradle
8 2 (6.67%) JIRA
8 2 (6.67%) jMock
9 1 (3.33%) Jenkins
General
1 4 (13.33%) Publishing
2 2 (6.67%) Finance
2 2 (6.67%) Retail
3 1 (3.33%) Banking
Job Titles
1 14 (46.67%) Developer
1 14 (46.67%) Java Developer
2 4 (13.33%) Java Programmer
2 4 (13.33%) Programmer
3 3 (10.00%) Senior Developer
3 3 (10.00%) Senior Java Developer
4 2 (6.67%) E-Commerce Developer
4 2 (6.67%) Java E-Commerce Developer
4 2 (6.67%) Lead Developer
4 2 (6.67%) Lead Java Developer
5 1 (3.33%) E-Commerce Consultant
5 1 (3.33%) J2EE Developer
5 1 (3.33%) J2EE WebSphere Developer
5 1 (3.33%) Java WebSphere Developer
5 1 (3.33%) Java/J2EE Developer
5 1 (3.33%) QA Engineer
5 1 (3.33%) Senior Consultant
5 1 (3.33%) Senior E-Commerce Consultant
5 1 (3.33%) SQL Developer
5 1 (3.33%) WebSphere Developer
Libraries, Frameworks & Software Standards
1 20 (66.67%) J2EE
2 19 (63.33%) Servlets
3 18 (60.00%) XML
4 16 (53.33%) JSP
5 15 (50.00%) Web Services
6 13 (43.33%) XSLT
7 12 (40.00%) JDBC
8 11 (36.67%) JMS
9 7 (23.33%) Hibernate
10 6 (20.00%) HTML
11 5 (16.67%) Ajax
11 5 (16.67%) CSS
11 5 (16.67%) J2SE
11 5 (16.67%) XHTML
12 4 (13.33%) JPA
12 4 (13.33%) JSF
12 4 (13.33%) JSON
12 4 (13.33%) Lucene
12 4 (13.33%) SAX
12 4 (13.33%) Spring
Miscellaneous
1 4 (13.33%) Client/Server
2 3 (10.00%) Social Media
3 1 (3.33%) Analytical Skills
3 1 (3.33%) Computer Science
3 1 (3.33%) Cryptography
3 1 (3.33%) Web 2.0
Operating Systems
1 13 (43.33%) Unix
2 10 (33.33%) SUSE
2 10 (33.33%) Windows
3 4 (13.33%) Android
3 4 (13.33%) Apple iOS
4 3 (10.00%) Linux
5 2 (6.67%) HPUX
5 2 (6.67%) Solaris
Processes & Methodologies
1 13 (43.33%) E-Commerce
2 11 (36.67%) Agile Software Development
2 11 (36.67%) Analytics
2 11 (36.67%) Open Source
3 9 (30.00%) Software Engineering
3 9 (30.00%) Software Testing
3 9 (30.00%) Test Scripting
4 4 (13.33%) Android Development
4 4 (13.33%) Content Management
4 4 (13.33%) iOS Development
4 4 (13.33%) Scrum
4 4 (13.33%) UML
4 4 (13.33%) Use Case
4 4 (13.33%) Web Development
5 3 (10.00%) Change Control
5 3 (10.00%) Resource Management
6 2 (6.67%) AOP
6 2 (6.67%) Kalman Filter
6 2 (6.67%) Project Management
7 1 (3.33%) Black-Box Testing
Programming Languages
1 30 (100.00%) Java
2 17 (56.67%) JavaScript
3 5 (16.67%) SQL
4 4 (13.33%) ECMAScript
5 2 (6.67%) C#
5 2 (6.67%) Shell Script
6 1 (3.33%) C++
6 1 (3.33%) Perl
6 1 (3.33%) Python
6 1 (3.33%) Ruby
6 1 (3.33%) XPath
Qualifications
1 12 (40.00%) Degree
2 1 (3.33%) Sun Certification
Quality Assurance & Compliance
1 10 (33.33%) QA
2 3 (10.00%) PCI DSS
Vendors
1 10 (33.33%) ATG
1 10 (33.33%) Red Hat
2 6 (20.00%) Oracle
3 4 (13.33%) Adobe
4 2 (6.67%) Cognizant
4 2 (6.67%) IBM
4 2 (6.67%) Interwoven
5 1 (3.33%) Blue Martini
5 1 (3.33%) Elastic Path
5 1 (3.33%) Endeca
5 1 (3.33%) Sun